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Formula and production method of organosilicon-free easy-defoaming clarinet polyurethane paint

A foam-breaking polymer and ethyl acetate technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problem of clarinet polyurethane coatings containing silicone, etc., to prevent delays in construction and ensure rapidity

Inactive Publication Date: 2018-07-20
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention solves the problem that the existing clarinet polyurethane coating that is easy to defoam contains organic silicon, and invents a formula improved by using a silicon-free foam breaker and its manufacturing method

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0017] Component A: 15 kg of ethyl acetate, 15 kg of n-butyl acetate, 5 kg of cyclohexanone, 1 kg of polyketone resin, 5 kg of 1 / 16 second nitrocellulose, 2 kg of high-efficiency matting powder, 45 kg of hydroxyl polyacrylic resin , 1 kg of matt wax slurry, 0.1 kg of foam-breaking polymer solution;

[0018] Component B: 25 kg of ethyl acetate, 20 kg of n-butyl acetate, 5 kg of 1,6-hexamethylene diisocyanate, 45 kg of isocyanate adduct, and 15 kg of matte trimer curing agent.

[0019] After the production of components A and B is completed, mix them with banana water in a ratio of 4:1:3, stir evenly, and then they can be used for spraying.

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Abstract

A purpose of the present invention is to solve the problem of the presence of organosilicon in the easy-defoaming clarinet polyurethane coating material in the prior art. According to the present invention, an improved formula and a production of a silicon-free defoaming agent are utilized; and the technical scheme provides a formula and a production method capable of solving the problem of the presence of organosilicon in the easy-defoaming clarinet polyurethane coating material, wherein the clarinet polyurethane coating material of the present invention contains a component A and a componentB, the component A comprises ethyl acetate, n-butyl acetate, cyclohexanone, a polyketone resin, 1 / 16 second nitrocellulose, efficient matting powder, hydroxyl polyacrylic resin, non-matting wax slurry and a (organosilicon-free) defoaming polymer solution, and the component B comprises ethyl acetate, n-butyl acetate, 1,6-hexamethylene diisocyanate, an isocyanate adduct and a matt trimer curing agent.

Description

technical field [0001] The invention relates to the field of chemical paint manufacturing, in particular to a formula for improving the defoaming performance of clarinet polyurethane paint without organic silicon and a manufacturing method thereof. Background technique [0002] The clarinet polyurethane paint on the market now generally has the problem of high viscosity and unsatisfactory defoaming effect. After stirring, a large number of bubbles are prone to appear, and it needs to stand for a long time to defoam, which will affect the construction time of polyurethane coating and also easily affect the clarinet. beautiful. At the same time, polyurethane paints that are easy to defoam generally contain organosilicon compounds, which not only easily pollute the environment, but also affect the leveling performance of the coating when it is formed into a film, resulting in the unsightly appearance of the clarinet. Contents of the invention [0003] The invention solves th...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D7/20C09D7/65
CPCC09D175/04C08L2205/035C08L1/18C08L91/06C08L101/00
Inventor 闫斐斐
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